Alert archive / South Dakota / Mesoscale Discussions in 2003

Mesoscale Discussion 1483

June 24, 20034 counties in Minnesota; 17 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2003, 1:21 AM CDT for 4 counties in Minnesota; 17 counties in South Dakota. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
Jun 24, 2003, 1:21 AM CDT (06:21 UTC)
Expired
Jun 24, 2003, 3:15 AM CDT
In force
114 min
Issued by
the Storm Prediction Center
All 21 counties

Big Stone County, MN, Lac qui Parle County, MN, Stevens County, MN, Yellow Medicine County, MN, Beadle County, SD, Brookings County, SD, Buffalo County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hyde County, SD, Jerauld County, SD, Kingsbury County, SD, Lyman County, SD, Roberts County, SD, Sanborn County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 102 km from the middle of the area, began a volume at 06:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 6.4 hours before the alert went out and 73 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2003-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1534 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2003-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1534 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
996 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
407 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 23, 8:08 PM CDTMesoscale DiscussionSPCBlue Earth, Dodge, Faribault, Freeborn, Le Sueur, Mower and 3 more67 min
Jun 23, 9:10 PM CDTMesoscale DiscussionSPCBrown, Chippewa, Cottonwood, Jackson, Kandiyohi, Lac qui Parle and 16 more65 min
Jun 23, 11:45 PM CDTSevere Thunderstorm WatchSPCLyon, Murray, Nobles, Pipestone, Rock6 hr
Jun 24, 12:35 AM CDTSevere Thunderstorm WatchSPCAnoka, Blue Earth, Brown, Carver, Dakota, Dodge and 21 more5 hr
Jun 24, 2:44 AM CDTMesoscale DiscussionSPCMurray, Nobles, Pipestone, Rock2 hr
Jun 24, 3:09 AM CDTMesoscale DiscussionSPCAnoka, Carver, Dakota, Dodge, Freeborn, Goodhue and 13 more96 min
Jun 24, 2:15 PM CDTTornado WatchSPCLincoln, Lyon, Murray, Nobles, Pipestone, Redwood and 2 more8 hr
Jun 24, 4:20 PM CDTSevere Thunderstorm WatchSPCAitkin, Anoka, Benton, Big Stone, Carlton, Chippewa and 21 more6 hr
Jun 24, 5:00 PM CDTSevere Thunderstorm WatchSPCBlue Earth, Brown, Carver, Dakota, Dodge, Faribault and 18 more5 hr
Jun 24, 5:59 PM CDTMesoscale DiscussionSPCLincoln, Lyon, Murray, Nobles, Pipestone, Rock61 min
Jun 23, 10:38 PM CDTMesoscale DiscussionSPCUnion67 min
Jun 23, 10:50 PM CDTTornado WatchSPCUnion5 hr
Jun 24, 1:29 PM CDTMesoscale DiscussionSPCBon Homme, Charles Mix, Clay, Douglas, Gregory, Hutchinson and 2 more3 hr
Jun 24, 6:28 PM CDTMesoscale DiscussionSPCBeadle, Brown, Buffalo, Campbell, Clark, Day and 18 more92 min

Nearby

Mesoscale Discussions in South Dakota, 2003Mesoscale Discussions in Minnesota, 2003Every mesoscale discussion in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.